[PATCH] D63225: AMDGPU: Fold readlane from copy of SGPR or imm
Matt Arsenault via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Jun 17 11:48:47 PDT 2019
arsenm updated this revision to Diff 205138.
arsenm added a comment.
Add a few more examples of physical registers not folding
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D63225/new/
https://reviews.llvm.org/D63225
Files:
lib/Target/AMDGPU/SIFoldOperands.cpp
lib/Target/AMDGPU/SIInstructions.td
test/CodeGen/AMDGPU/fold-readlane.mir
test/CodeGen/AMDGPU/llvm.amdgcn.readfirstlane.ll
test/CodeGen/AMDGPU/llvm.amdgcn.readlane.ll
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